Wednesday, May 30, 2018

Controlling Window Unit from Smart Thermostat.

Hey Guys. I have an interesting one.

I have an ancient woodgrain 220v AC unit. When we moved into our apartment, the Central Air was shot, so we hooked this up, works like a charm. I want to be able to control it from a smart thermostat. I imagine I just need some form of relay. ITs all connected right next to the old central air unit outside, so I have the wire that was used to control that. I believe its 48v dc. Any ideas?

submitted by /u/mrhone
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